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DURABLADE
STD UNIT
ECONOMIZER
WEIGHT
UNIT
WEIGHT
Lb
Kg
Lb
50TFF008
755
342
44
50TFF009
760
345
44
50TFF012
915
415
44
50TFF014
930
422
44
CONNECTION SIZES
" Dia. [35] Field Power Supply Hole
3
A
1
/
8
" Dia. [64] Power Supply Knockout
1
B
2
/
2
" Dia. [44] Charging Port Hole
3
C
1
/
4
" Dia. [22] Field Control Wiring Hole
7
D
/
8
" — 14 NPT Condensate Drain
3
E
/
4
F
2" Dia. [51] Power Supply Knockout
CORNER
ECONOMI$ER
WEIGHT
WEIGHT
(A)
Kg
Lb
Kg
Lb
Kg
20
62
28
164
74
20
62
28
165
75
20
62
28
199
90
20
62
28
202
92
NOTES:
1. Dimensions in [ ] are in millimeters.
2.
3.
4. Ductwork to be attached to accessory roof curb only.
5. Minimum clearance (local codes or jurisdiction may prevail):
6. With the exception of the clearance for the condenser coil as stated in Notes 5a, b, and c, a removable
7. Units may be installed on combustible floors made from wood or Class A, B, or C roof covering material.
8. The vertical center of gravity is 1'-7
Fig. 7 — Base Unit Dimensions
CORNER
CORNER
CORNER
WEIGHT
WEIGHT
WEIGHT
(B)
(C)
(D)
Lb
Kg
Lb
Kg
Lb
Kg
140
64
208
94
243
110
141
64
209
94
245
111
170
77
252
114
294
134
172
78
256
116
300
136
Center of gravity.
Direction of airflow.
a. Bottom to combustible surfaces (when not using curb) 0 inches, on horizontal discharge units with
electric heat 1 in. clearance to ductwork for 1 ft.
b. Condenser coil, for proper airflow, 36 in. one side, 12 in. the other. The side getting the greater
clearance is optional.
c. Overhead, 60 in. to assure proper condenser fan operation.
d. Between units, control box side, 42 in. per NEC (National Electrical Code).
e. Between unit and ungrounded surfaces, control box side, 36 in. per NEC.
f.
Between unit and block or concrete walls and other grounded surfaces, control box side, 42 in. per
NEC.
g. Horizontal supply and return end, 0 inches.
fence or barricade requires no clearance.
" [495] for 008 and 009, 2'-0" [610] for 012 and 014 up from the
1
/
2
bottom of the base rail.
5
"H"
"J"
Ft-in.
mm
Ft-in.
mm
7
5
1-2
/
378
3-5
/
1050
2-9
8
16
7
5
3-3
/
1013
3-5
/
1050
2-9
8
16
7
5
2-5
/
759
4-1
/
1253
3-0
8
16
7
5
1-2
/
378
4-1
/
1253
3-0
8
16
BOTTOM POWER CHART, THESE HOLES REQ'D
FOR USE WITH ACCESSORY PACKAGES —
",
1
3
CRBTMPWR001A00 (
/
2
", 1
1
CRBTMPWR002A00 (
/
2
THREADED
REQ'D HOLE
WIRE
CONDUIT
USE
SIZE
"
7
1
/
24 V
2
"
3
1
/
Power*
1
4
" FPT
1
3
1
/
Power*
1
4
" or 1
" for power, depending on wire
*Select either
3
/
1
/
4
4
size.
"K"
Ft-in.
mm
11
/
856
16
11
/
856
16
3
/
924
8
3
/
924
8
") OR
/
4
")
1
/
4
SIZES
(Max.)
" [22.2]
/
8
" [28.4]
/
8
" [44.4]
/
4
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